For Dierickx there are 132 on Yasni with different names.
Among the most common last names on Yasni Dierickx is on position 4395.
During the Napoleonic occupation of population registers were introduced in the occupied countries. Dirk had a son, the son of Dirk's, the nickname Dierickx as surnames in the register was written with his. The writing is regionally dependent on the local dialect.
(Sent from: Gustaaf Dierikcx)